Black Tern, NE (nest with eggs), Lake Mills CE, Jefferson Co., 7 July 2015
Black Tern, immatures, NY (nest with young), Lake Mills CE, Jefferson Co., 7 July 2015
Black Tern, immature, FL (recently fledged young), Horicon Marsh NWR, Dodge Co., 22 July 2014
Black Tern, adult and immature, FY (feeding young), Horicon Marsh, Dodge Co., 25 July 2014
Black Tern, adult, Sandhill Wildlife Area, Wood Co., 25 May 2016